API Token Scope Enforcement Issue in Gitea
CVE-2026-55982

9.1CRITICAL

Key Information:

Vendor

Gitea

Status
Gitea Open Source Git Server
Vendor
CVE Published:
13 August 2026

What is CVE-2026-55982?

The OIDC userinfo endpoint in Gitea is susceptible to a significant security issue where it returns identity claims without enforcing the required API token scopes. This flaw may allow unauthorized users to gain access to sensitive identity information, posing potential risks to user privacy and data integrity. It is crucial for users of affected versions to apply the latest updates promptly to mitigate potential exploitation.

Affected Version(s)

Gitea Open Source Git Server 1.26.2

References

https://github.com/go-gitea/gitea/security/advisories/GHS...
vendor-advisory
https://github.com/go-gitea/gitea/releases/tag/v1.27.0
release-notes
https://blog.gitea.com/gitea-1.27.0-is-released/
release-notes

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

ybsun0215
.